package com.example.demo.customer;


import com.example.demo.exception.NotfoundException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Objects;
@Service
public class CustomerService {

    private final static Logger LOGGER = LoggerFactory.getLogger(CustomerService.class);

    private final CustomerRepository CustomerRepository;

    @Autowired
    public CustomerService( CustomerRepository CustomerRepository) {
        this.CustomerRepository = CustomerRepository;
    }

    List<Customer> getCustomers(){
        LOGGER.info("getCustomers called");
        return CustomerRepository.findAll();
    }

    Customer getCustomer(Long id){
        return CustomerRepository
                .findById(id)
                .orElseThrow(() -> {
                    NotfoundException notfoundException = new NotfoundException("customer " + id + " 无法找到");
                    LOGGER.error("error: getCustemer {}" + id,notfoundException);
                    return notfoundException;
                });
    }
}
